*{
    margin: 0;
    padding: 0;
}
.warrper{
    width: 300px;
    height: 450px;
    border: 2px #aaa solid;
    border-radius: 4px;
    margin: 50px auto;
    font-size: 0px;
}
.input{
    box-sizing: border-box;
    width: 100%;
    height: 40px;
    border: 2px #f4f656 solid;
    margin-bottom: 20px;
}
.btnbox{
    width: 210px;
    margin: 0 auto;
    display: none;
    flex-wrap: wrap;
    font-size: 0px;
}
button{
    width: 70px;
    height: 70px;
    
    cursor: pointer;
}